How does one clear the stock browser cache, on the Samsung galaxy s3? I've checked settings and settings -> developer settings as well.
And to continue what Dan wrote, if you mean for the stock Android or Samasung browser (it's not the same app, but it's in the same place), it's what @Dan Hulme answer.
but if the browser is chrome press on the 3 dots > "History" > "Clear Browsing Data.." > pick "Clear the cache", Here is a picture:
Hope it's been Helpful!